#1B658C#1B658C

#1B658C is a mid, moderate cyan. Relative luminance 0.114; OKLCH L 48.2% C 0.094 H 237.1°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#1B658C
RGB	rgb(27, 101, 140)
HSL	hsl(201, 68%, 33%)
HSV	hsv(201, 81%, 55%)
CMYK	cmyk(80.7%, 27.9%, 0%, 45.1%)
CIE-LAB	lab(40.30, -7.91, -27.79)
CIE-LCH	lch(40.30, 28.90, 254.10°)
OKLab	oklab(48.16% -0.0509 -0.0785)
OKLCH	oklch(48.16% 0.094 237.1)
XYZ	xyz(9.8374, 11.4326, 26.4941)
Luminance	0.1143 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B658C #8C421B

analogous

#1B8C7A #1B658C #1B2C8C

triadic

#1B658C #8C1B65 #658C1B

tetradic

#1B658C #7A1B8C #8C421B #2C8C1B

square

#1B658C #7A1B8C #8C421B #2C8C1B

split-complementary

#1B658C #8C1B2C #8C7A1B

monochromatic

#071B25 #114059 #1B658C #258ABF #46A8DB

Accessibility & contrast

On white

6.39

#1B658C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#1B658C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B658C

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B658C	#FFFFFF	#000000	##FFFFFF
##1B658C	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52658E

Deuteranopia (green-blind)

#435A8B

Tritanopia (blue-blind)

#006F72

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #1b658c;
/* rgb */ color: rgb(27, 101, 140);
/* oklch */ color: oklch(48.2% 0.094 237.1);

Tailwind

colors: {
  custom: {
    50: '#6a90ad',
    500: '#1b658c',
    950: '#000000',
  },
}

SCSS

$custom: #1b658c;
$custom-light: #6a90ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1b658c",
  "rgb": {
    "r": 27,
    "g": 101,
    "b": 140
  },
  "hsl": {
    "h": 200.708,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.48158,
    "c": 0.09357,
    "h": 237.1
  },
  "luminance": 0.11434
}

Semantic roles & 50–950 ramp

primary

#1B658C

secondary

#BD6F46

accent

#793DEB

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1B658C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →